68091921 (number)

68091921 is an odd 8-digits composite number following 68091920 and preceding 68091922. In scientific notation, it is written as 6.8091921 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 44647200 positive integers (up to 68091921) that are relatively prime to 68091921.

Interesting facts

Basic properties

Name

Name sixty-eight million ninety-one thousand nine hundred twenty-one

Notation

Scientific notation 6.8091921 × 10^7
Engineering notation 6.8091921 × 10^6

Prime Factorization of 68091921

Prime Factorization 27 × 3 × 61 × 13781

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 68091921
Product of the distinct prime numbers

The prime factorization of 68091921 is 27 × 3 × 61 × 13781. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 15, 6, 818, 120, 7989, 9518, 63754, 86676, 609649, 782507, 3153027, 451493, 73533621, 24155798, 135061887, 304842332, 8197642819, 1145476037

Basic calculations (n = 68091921)

Multiplication

n×y
n×2 136183842
n×3 204275763
n×4 272367684
n×5 340459605

Division

n÷y
n÷2 34045960.5
n÷3 22697307
n÷3 17022980.25
n÷5 13618384.2

Exponentiation

ny
n2 4636509705470241
n3 3.1570885258061E+23
n4 2.149722224892E+31
n5 1.4637871590929E+39

Nth Root

y√n
2√n 8251.782898259
3√n 408.34934396012
4√n 90.839324624631
5√n 36.865414162264

Divisors of 68091921

1, 3, 27, 61, 81, 183, 1647, 4941, 13781, 41343, 372087, 840641, 1116261, 2521923, 22697307, 68091921

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68091920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68091921 can be divided by 16 positive divisors. The sum of these divisors (counting 68091921) is 1, the average is 0.0625.

Base conversion 68091921

Base System Value
2 Binary 100000011110000000000010001
3 Ternary 11202010102120000
4 Quaternary 10003300000101
5 Quinary 114412420141
6 Senary 10431240213
8 Octal 403600021
10 Decimal 68091921
12 Duodecimal 1a979069
16 Hexadecimal 40f0011
20 Vigesimal 115b9g1
36 Base36 14jg29

Cryptographic Hash Functions

md5 3f193e6410e3816bc439e91f233b9df7
sha1 eac71b325dd3b2103803427f8a27b883f4434bd0
sha256 3cbabdea871f50103c9b7616b1ad2f9c8911f45bab29106627a76cab4a15e408
sha512 900fe97df8d6c783f2127cefe50e7c8a705580f952622817db048ce8bd477f4d9e2dba21b67a17f30d60fac49955da96322dbf44aadc86556dac4d6049c2fade
ripemd-160 3d92706b4680d71355ed020ceedb9832221d56ed

68091921 as geometric shapes

Circle

Radius = n
Diameter 136183842
Circumference 427834157.56483
Area 1.4566024829003E+16

Sphere

Radius = n
Volume 1.322438149254E+24
Surface area 5.8264099316012E+16
Circumference 427834157.56483

Square

Length = n
Perimeter 272367684
Area 4636509705470241
Diagonal 96296518.166237

Cube

Length = n
Surface area 27819058232821446
Volume 3.1570885258061E+23
Space diagonal 117938666.75697

Equilateral Triangle

Length = n
Perimeter 204275763
Area 2.0076675949152E+15
Altitude 58969333.378483

Triangular Pyramid

Length = n
Surface area 2.0076675949152E+15
Volume 3.7206645090063E+22
Height 32098839.388746